Expect to see Vicki Gunvalson, known for her recurring role in the Bravo reality television series “The Real Housewives of Orange County,” assume the starring role as the opening-night grand marshal at the beloved community event, Newport Beach Boat Parade.

Vicki Gunvalson, of The Real Housewives of Orange County fame, sits in the backyard of her Coto de Caza home in 2011.

Festivities kick off on Wednesday, Dec. 13, beginning with a special firework display at 6:15 p.m. from Balboa...